Home / 567,269.46-782,848.26-312,637.05

Finding the Fourth Proportional to 567,269.46, 782,848.26 and 312,637.05

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Solution

The fourth proportional to 567,269.46, 782,848.26 and 312,637.05 is: 431,448.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,269.46 : 782,848.26 = 312,637.05 : x
  2. Step 2: Convert to fraction form
    567,269.46/782,848.26 = 312,637.05/x
  3. Step 3: Cross multiply
    567,269.46x = 782,848.26 × 312,637.05
  4. Step 4: Simplify right side
    567,269.46x = 244,747,370,604.03
  5. Step 5: Solve for x
    x = 244,747,370,604.03/567,269.46
  6. Step 6: Final answer
    x = 431,448.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.